Home / 6,521.04-9,778.62-3,889.76

Finding the Fourth Proportional to 6,521.04, 9,778.62 and 3,889.76

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Solution

The fourth proportional to 6,521.04, 9,778.62 and 3,889.76 is: 5,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.04 : 9,778.62 = 3,889.76 : x
  2. Step 2: Convert to fraction form
    6,521.04/9,778.62 = 3,889.76/x
  3. Step 3: Cross multiply
    6,521.04x = 9,778.62 × 3,889.76
  4. Step 4: Simplify right side
    6,521.04x = 38,036,484.93
  5. Step 5: Solve for x
    x = 38,036,484.93/6,521.04
  6. Step 6: Final answer
    x = 5,832.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.